1850366509056 has 840 divisors, whose sum is σ = 6335698411224. Its totient is φ = 535088332800.

The previous prime is 1850366509049. The next prime is 1850366509109. The reversal of 1850366509056 is 6509056630581.

It is a happy number.

1850366509056 is a `hidden beast` number, since 1 + 8 + 50 + 36 + 6 + 509 + 0 + 56 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 501943910400 + 1348422598656 = 708480^2 + 1161216^2 .

It is a super-2 number, since 2×1850366509056² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1850366508993 and 1850366509011.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2639609506 + ... + 2639610206.

Almost surely, 2^{1850366509056} is an apocalyptic number.

1850366509056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1850366509056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3167849205612).

1850366509056 is an abundant number, since it is smaller than the sum of its proper divisors (4485331902168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1850366509056 is an frugal number, since it uses more digits than its factorization.

1850366509056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 1850366509056 in words is "one trillion, eight hundred fifty billion, three hundred sixty-six million, five hundred nine thousand, fifty-six".